<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script src="./vue3基础源码/vue3.js"></script>
    <script>
        const app = Vue.createApp({
            template:
                    `
                    <com-input />
                    <com-async />
                    
                    `
        });

        app.component("com-input",{
            template:`<input />`
        })

        app.component("com-async",Vue.defineAsyncComponent(()=>{
            return new Promise((resolve,reject) => {
                setTimeout(()=>{
                    resolve({template:`<div>123</div>`});
                },4000)
            })
        }))

        app.mount("#root");
    </script>
</body>
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